Newtonian telescope

Newtonian telescope
a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.
[1755-65]

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  • Newtonian telescope — noun reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis • Syn: ↑Newtonian reflector • Hypernyms: ↑reflecting telescope, ↑reflector …   Useful english dictionary

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